Although a long time without using the Windows built-in Windows Defender as a major anti-virus tool，But in the beginning of Windows installed，Always check the version of the tool together when Windows Update。Not sure when to start，In doing Windows Update，Windows Defender will always be out of this error 8050800C，If it is directly open Windows Defender，In the software update check inside to do，It will jump out error 0x80070643。
Do not know when to start，Freshly installed Windows 7 (2008 R2) In the month when the latest update rollup updates，Will jump 80092004 Error message，If the update of the month to cancel out，After re-examination，Change the update rollup update last month，As will jump 80092004 Error message。Today spend a lot of time to climb with the text test，Finally finally identify the problem。
Do not know when to begin，The company's new version of Joomla will not jump out message notification，If you go to "components" - "Joomla! Update "press”Check for updates”，Will display the following error message：
警告 更新: Unable to open the site update #1 "Joomla! Core", Site: https://update.joomla.org/core/list.xml 更新: Unable to open the site update #3 "Joomla! Update Component Update Site", Site: https://update.joomla.org/core/extensions/com_joomlaupdate.xml
Anson | 
10 17th, 2019| 